<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Lucky</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            -ms-box-sizing: border-box;
            -o-box-sizing: border-box;
            box-sizing: border-box;
        }

        html, body {
            margin: 0;
            padding: 0;
            font: 16px/1.4 'Lato', sans-serif;
            color: #fefeff;
            -webkit-font-smoothing: antialiased;
            font-smoothing: antialiased;
        }

        body {
            background: rgb(8,5,16);
            overflow: hidden;
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            -khtml-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        h1 {
            font: 2.75em 'Cinzel', serif;
            font-weight: 400;
            letter-spacing: 0.35em;
            text-shadow: 0 0 25px rgba(254,254,255,0.85);
        }

        h2 {
            font: 1.45em 'Cinzel', serif;
            font-weight: 400;
            letter-spacing: 0.5em;
            text-shadow: 0 0 25px rgba(254,254,255,0.85);
            text-transform: lowercase;
        }

        [class^="letter"] {
            -webkit-transition: opacity 3s ease;
            -moz-transition: opacity 3s ease;
            transition: opacity 3s ease;
        }

        .letter-0 {
            transition-delay: 0.2s;
        }

        .letter-1 {
            transition-delay: 0.4s;
        }

        .letter-2 {
            transition-delay: 0.6s;
        }

        .letter-3 {
            transition-delay: 0.8s;
        }

        .letter-4 {
            transition-delay: 1.0s;
        }

        .letter-5 {
            transition-delay: 1.2s;
        }

        .letter-6 {
            transition-delay: 1.4s;
        }

        .letter-7 {
            transition-delay: 1.6s;
        }

        .letter-8 {
            transition-delay: 1.8s;
        }

        .letter-9 {
            transition-delay: 2.0s;
        }

        .letter-10 {
            transition-delay: 2.2s;
        }

        .letter-11 {
            transition-delay: 2.4s;
        }

        .letter-12 {
            transition-delay: 2.6s;
        }

        .letter-13 {
            transition-delay: 2.8s;
        }

        .letter-14 {
            transition-delay: 3.0s;
        }

        h1, h2 {
            visibility: hidden;
            -webkit-transform: translate3d(0, 0, 0);
            -moz-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
        }

        h1.transition-in,
        h2.transition-in {
            visibility: visible;
        }

        h1 [class^="letter"],
        h2 [class^="letter"] {
            opacity: 0;
        }

        h1.transition-in [class^="letter"],
        h2.transition-in [class^="letter"] {
            opacity: 1;
        }

        #hovertreecontainer {
            display: table;
            position: absolute;
            z-index: 20;
            width: 100%;
            height: 100%;
            text-align: center;
            cursor: none;
            left: 15px;
        }

        #hovertreecontainer > div {
            display: table-cell;
            vertical-align: middle;
        }

        #hovertreecontainer p {
            position: absolute;
            width: 100%;
            left: 0;
            bottom: 25px;
            font-size: 0.8em;
            letter-spacing: 0.1em;
            font-weight: 300;
            color: #76747a;
            -webkit-font-smoothing: subpixel-antialiased;
            font-smoothing: subpixel-antialiased;
        }

        #hovertreecontainer p strong {
            color: #b3abc5;
            font-size: 5em;
        }

        #hovertreecontainer p span {
            font-size: 0.75em;
            padding: 0 2px;
        }

        #canvas {
            position: absolute;
            z-index: 10;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            cursor: none;
        }

        #stats {
            position: absolute;
            z-index: 10;
            left: 10px;
            top: 10px;
        }

        .dg.ac {
            z-index: 100 !important;
        }

        #hovertreecontainer div p strong a {
            color: #999;
            font-size: 0.5em;
        }

        body, td, th {
            font-family: Lato, sans-serif;
        }

        a:link {
            text-decoration: none;
        }

        a:visited {
            text-decoration: none;
        }

        a:hover {
            text-decoration: none;
        }

        a:active {
            text-decoration: none;
        }
    </style>
</head>
<body ondragstart="window.event.returnValue=false" oncontextmenu="window.event.returnValue=false" onselectstart="event.returnValue=false">

<div id="hovertreecontainer">
    <div>
        <h1 id="h1">Lucky </h1><br>
        <h2 id="h2"> You deserve all the luck！</h2>
        <h3 id="h2"></h3>
        <p>&nbsp;</p>
        <p>&nbsp;</p>
        <p>&nbsp;</p>
        <p>&nbsp;</p>
        <p>&nbsp;</p>
        <p>&nbsp;</p>
    </div>

</div>

<canvas id="canvas"></canvas>
<script type="text/javascript">

    ; (function (window) {

        var ctx,
            hue,
            logo,
            form,
            buffer,
            target = {},
            tendrils = [],
            settings = {};

        settings.debug = true;
        settings.friction = 0.5;
        settings.trails = 20;
        settings.size = 50;
        settings.dampening = 0.25;
        settings.tension = 0.98;

        Math.TWO_PI = Math.PI * 2;

        function Oscillator(options) {
            this.init(options || {});
        }

        Oscillator.prototype = (function () {

            var value = 0;

            return {

                init: function (options) {
                    this.phase = options.phase || 0;
                    this.offset = options.offset || 0;
                    this.frequency = options.frequency || 0.001;
                    this.amplitude = options.amplitude || 1;
                },

                update: function () {
                    this.phase += this.frequency;
                    value = this.offset + Math.sin(this.phase) * this.amplitude;
                    return value;
                },

                value: function () {
                    return value;
                }
            };

        })();

        function Tendril(options) {
            this.init(options || {});
        }

        Tendril.prototype = (function () {

            function Node() {
                this.x = 0;
                this.y = 0;
                this.vy = 0;
                this.vx = 0;
            }

            return {

                init: function (options) {

                    this.spring = options.spring + (Math.random() * 0.1) - 0.05;
                    this.friction = settings.friction + (Math.random() * 0.01) - 0.005;
                    this.nodes = [];

                    for (var i = 0, node; i < settings.size; i++) {

                        node = new Node();
                        node.x = target.x;
                        node.y = target.y;

                        this.nodes.push(node);
                    }
                },

                update: function () {

                    var spring = this.spring,
                        node = this.nodes[0];

                    node.vx += (target.x - node.x) * spring;
                    node.vy += (target.y - node.y) * spring;

                    for (var prev, i = 0, n = this.nodes.length; i < n; i++) {

                        node = this.nodes[i];

                        if (i > 0) {

                            prev = this.nodes[i - 1];

                            node.vx += (prev.x - node.x) * spring;
                            node.vy += (prev.y - node.y) * spring;
                            node.vx += prev.vx * settings.dampening;
                            node.vy += prev.vy * settings.dampening;
                        }

                        node.vx *= this.friction;
                        node.vy *= this.friction;
                        node.x += node.vx;
                        node.y += node.vy;

                        spring *= settings.tension;
                    }
                },

                draw: function () {

                    var x = this.nodes[0].x,
                        y = this.nodes[0].y,
                        a, b;

                    ctx.beginPath();
                    ctx.moveTo(x, y);

                    for (var i = 1, n = this.nodes.length - 2; i < n; i++) {

                        a = this.nodes[i];
                        b = this.nodes[i + 1];
                        x = (a.x + b.x) * 0.5;
                        y = (a.y + b.y) * 0.5;

                        ctx.quadraticCurveTo(a.x, a.y, x, y);
                    }

                    a = this.nodes[i];
                    b = this.nodes[i + 1];

                    ctx.quadraticCurveTo(a.x, a.y, b.x, b.y);
                    ctx.stroke();
                    ctx.closePath();
                }
            };

        })();

        // ----------------------------------------------------------------------------------------

        function init(event) {

            document.removeEventListener('mousemove', init);
            document.removeEventListener('touchstart', init);

            document.addEventListener('mousemove', mousemove);
            document.addEventListener('touchmove', mousemove);
            document.addEventListener('touchstart', touchstart);

            mousemove(event);
            reset();
            loop();
        }

        function reset() {

            tendrils = [];

            for (var i = 0; i < settings.trails; i++) {

                tendrils.push(new Tendril({
                    spring: 0.45 + 0.025 * (i / settings.trails)
                }));
            }
        }

        function loop() {

            if (!ctx.running) return;

            ctx.globalCompositeOperation = 'source-over';
            ctx.fillStyle = 'rgba(8,5,16,0.4)';
            ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
            ctx.globalCompositeOperation = 'lighter';
            ctx.strokeStyle = 'hsla(' + Math.round(hue.update()) + ',90%,50%,0.25)';
            ctx.lineWidth = 1;

            if (ctx.frame % 60 == 0) {
                console.log(hue.update(), Math.round(hue.update()), hue.phase, hue.offset, hue.frequency, hue.amplitude);
            }

            for (var i = 0, tendril; i < settings.trails; i++) {
                tendril = tendrils[i];
                tendril.update();
                tendril.draw();
            }

            ctx.frame++;
            ctx.stats.update();
            requestAnimFrame(loop);
        }

        function resize() {
            ctx.canvas.width = window.innerWidth;
            ctx.canvas.height = window.innerHeight;
        }

        function start() {
            if (!ctx.running) {
                ctx.running = true;
                loop();
            }
        }

        function stop() {
            ctx.running = false;
        }

        function mousemove(event) {
            if (event.touches) {
                target.x = event.touches[0].pageX;
                target.y = event.touches[0].pageY;
            } else {
                target.x = event.clientX
                target.y = event.clientY;
            }
            event.preventDefault();
        }

        function touchstart(event) {
            if (event.touches.length == 1) {
                target.x = event.touches[0].pageX;
                target.y = event.touches[0].pageY;
            }
        }

        function keyup(event) {

            switch (event.keyCode) {
                case 32:
                    save();
                    break;
                default:
            }
        }

        function letters(id) {

            var el = document.getElementById(id),
                letters = el.innerHTML.replace('&amp;', '&').split(''),
                heading = '';

            for (var i = 0, n = letters.length, letter; i < n; i++) {
                letter = letters[i].replace('&', '&amp');
                heading += letter.trim() ? '<span class="letter-' + i + '">' + letter + '</span>' : '&nbsp;';
            }

            el.innerHTML = heading;
            setTimeout(function () {
                el.className = 'transition-in';
            }, (Math.random() * 500) + 500);
        }

        function save() {

            if (!buffer) {

                buffer = document.createElement('canvas');
                buffer.width = screen.availWidth;
                buffer.height = screen.availHeight;
                buffer.ctx = buffer.getContext('2d');

                form = document.createElement('form');
                form.method = 'post';
                form.input = document.createElement('input');
                form.input.type = 'hidden';
                form.input.name = 'data';
                form.appendChild(form.input);

                document.body.appendChild(form);
            }

            buffer.ctx.fillStyle = 'rgba(8,5,16)';
            buffer.ctx.fillRect(0, 0, buffer.width, buffer.height);

            buffer.ctx.drawImage(canvas,
                Math.round(buffer.width / 2 - canvas.width / 2),
                Math.round(buffer.height / 2 - canvas.height / 2)
            );

            buffer.ctx.drawImage(logo,
                Math.round(buffer.width / 2 - logo.width / 4),
                Math.round(buffer.height / 2 - logo.height / 4),
                logo.width / 2,
                logo.height / 2
            );

            window.open(buffer.toDataURL(), 'wallpaper', 'top=0,left=0,width=' + buffer.width + ',height=' + buffer.height);
        }

        window.requestAnimFrame = (function () {
            return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function (fn) { window.setTimeout(fn, 1000 / 60) };
        })();

        window.onload = function () {

            ctx = document.getElementById('canvas').getContext('2d');
            ctx.stats = new Stats();
            ctx.running = true;
            ctx.frame = 1;

            logo = new Image();
            logo.src = 'ht' + 'tp://ho' + 'vertree.c' + 'om/themes/hvtimages/hvtlogo.p' + 'ng';

            hue = new Oscillator({
                phase: Math.random() * Math.TWO_PI,
                amplitude: 85,
                frequency: 0.0015,
                offset: 285
            });

            letters('h1');
            letters('h2');

            document.addEventListener('mousemove', init);
            document.addEventListener('touchstart', init);
            document.body.addEventListener('orientationchange', resize);
            window.addEventListener('resize', resize);
            window.addEventListener('keyup', keyup);
            window.addEventListener('focus', start);
            window.addEventListener('blur', stop);

            resize();

            if (window.DEBUG) {

                var gui = new dat.GUI();

                // gui.add(settings, 'debug');
                settings.gui.add(settings, 'trails', 1, 30).onChange(reset);
                settings.gui.add(settings, 'size', 25, 75).onFinishChange(reset);
                settings.gui.add(settings, 'friction', 0.45, 0.55).onFinishChange(reset);
                settings.gui.add(settings, 'dampening', 0.01, 0.4).onFinishChange(reset);
                settings.gui.add(settings, 'tension', 0.95, 0.999).onFinishChange(reset);

                document.body.appendChild(ctx.stats.domElement);
            }
        };

    })(window);
</script>
<script>
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</body>
</html>